Glycine in food supplements
1,122 supplements declared in France contain Glycine as a substance or active ingredient.
Compl'Alim declarations. Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What we know about this ingredient
Uses
AS A BUFFERING AGENT; IN SYNTHESES
MEDICATION: DIETARY SUPPLEMENT FOR BODY BUILDING PROTEINS; NUTRIENT; INTRAVENOUS FEEDING; IRRIGATING FLUID IN TRANSURETHRAL REMOVAL OF PROSTATE; BUFFERING COMPOUND IN ANTACID PREPN
Organic synthesis, nutrient, biochemical research, buffering agent, chicken-feed additive, reduces bitter taste of saccharin, retards rancidity in animal and vegetable fats.
PubChem : Hazardous Substances Data Bank (HSDB) · 2026-10-29 · Patty, F. (ed.). Industrial Hygiene and Toxicology: Volume II: Toxicology. 2nd ed. New York: Interscience Publishers, 1963., p. 1804; SRI; Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 13th ed. New York, NY: John Wiley & Sons, Inc. 1997., p. 545.
Use classification
EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives
Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
Cosmetics -> Hair conditioning; Skin conditioning; Antistatic; Buffering
Plant-derived material.
Basis: INCIInternational name of cosmetic ingredients: the one printed on the pack. name of a plant or plant part.
CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
Natural occurrence recorded in Wikidata (LOTUS database): 125 taxa; examples: Morchella angusticeps, Morchella crassipes, Allium sativum, Citrus grandis, Citrus medica.
Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.
Manufacturing
FROM HYDROBROMIC ACID PLUS METHYLENEAMINOACETONITRILE: CLARKE, TAYLOR, ORG SYNTH, 4, 31 (1925); FROM CHLOROACETIC ACID PLUS AMMONIA: ORTEN, HILL, ORG SYNTH, COLL VOL I, 2ND EDITION, 300 (1941)...
ISOLATION FROM HYDROLYSIS PRODUCTS OF GELATIN: KINGSTON, SCHRYVER, BIOCHEM J, 18, 1071 (1924); BY HYDROLYSIS OF CATTLE LIGAMENTS: US PATENT 2,098,923 (1938 TO ARMOUR & CO).
ISOLATION FROM SILK FIBROIN, GELATIN, AND SUGAR CANE; REACTION OF CHLOROACETIC ACID AND AMMONIA
ISOLATION FROM SILK FIBROIN: MOORE, STEIN, J BIOL CHEM, 150, 113 (1943).
Appearance
MONOCLINIC OR TRIGONAL PRISMS FROM DILUTE ALCOHOL
Monoclinic prisms from alc
White crystals
Glycine appears as white crystals. (NTP, 1992)
PubChem : Hazardous Substances Data Bank (HSDB) · 2026-10-29 · Weast, R.C. (ed.). Handbook of Chemistry and Physics. 60th ed. Boca Raton, Florida: CRC Press Inc., 1979., p. C-321; Budavari, S. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 1996., p. 765; Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 13th ed. New York, NY: John Wiley & Sons, Inc. 1997., p. 545.
PubChem : CAMEO Chemicals · 2026-10-29 · National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health (NTP). 1992. National Toxicology Program Chemical Repository Database. Research Triangle Park, North Carolina..
Odour described
Odorless
Taste described
Sweet
Associated research
ClinicalTrials.gov · A trial is not proof: it tests a hypothesis.
- NCT07285135 : Dietary Glycine Supplementation in Metabolic Dysfunction-associated Steatotic Liver Disease
RECRUITING · NA · Metabolic Dysfunction Associated Fatty Liver Disease · 2026-10-27 · Glycine
- NCT05799521 : A Nasal Treatment for COVID-19
ACTIVE_NOT_RECRUITING · PHASE2 · COVID-19, Healthy · 2026-05-28 · Optate (synonym declared in the registry)
- NCT03493178 : Glutathione in Mild Cognitive Impairment
ACTIVE_NOT_RECRUITING · EARLY_PHASE1 · Mild Cognitive Impairment · 2026-09-04 · Glycine
2026-11-01
Other names: glycine zwitterion (English), Glycin (German), glicina (Spanish), glicina (Italian), glicina (Portuguese).
Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.
Same substance in cosmetics: GLYCINE.
In plain words
À quoi il sert, selon les fabricants
Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Glycine) : sport (224 produits), peau (137 produits), articulations (121 produits), sommeil (113 produits), antioxydant (79 produits).
Ce sont les objectifs déclarés par les fabricants à l'administration, pas des effets démontrés. Sur l'emballage, seules les allégations de santé autorisées par l'Union peuvent être écrites.
Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What the registers say, country by country
Each line repeats what an official register says on the date it was consulted. Not being in a register means neither allowed nor banned.
Compl'Alim ingredient list (France): listed.
Compl'Alim, reference list of ingredients, retrieved 21 October 2026.
Canada, licensed natural health products (LNHPD): 7 products.
Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks, retrieved 27 October 2026.
Contains information licensed under the Open Government Licence – Canada (Health Canada, LNHPD)
Licence du gouvernement ouvert – Canada 2.0 (OGL-Canada 2.0)
United States, supplement labels (DSLD; supplements need no prior approval): 1052 products.
Dietary Supplement Label Database (DSLD), US National Institutes of Health: current and off-market labels, retrieved 27 October 2026.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (CC0); US market labels.
Malaysia, registered products: 9 products.
NPRA, Malaysian pharmaceutical products register, retrieved 27 October 2026.
Ministère de la santé de Malaisie / NPRA, Pharmaceutical Products, CC BY 4.0
Poland, notified supplements: 1 product.
GIS, products notified in Poland, retrieved 27 October 2026.
Główny Inspektorat Sanitarny (GIS), Rejestr produktów objętych powiadomieniem
Taiwan, registered products: 60 products.
TFDA, Taiwan tablets, capsules and medical nutrition registers, retrieved 27 October 2026.
Taiwan Food and Drug Administration (TFDA), Open Government Data License, version 1.0
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 235 | 500 | 2 | 15,000 |
Calculated from Compl'Alim declarations that provide a quantity. These are quantities declared by manufacturers, not measurements, and preparation is not distinguished (powder, extract of varying concentration): differences between products can be very large.
Products
- GLYCINE 1000 MG HSN, autre : capsule végétale, declared in 2025
- GLYCINE 500 gélule, declared in 2025
- GLYCINE BOOST (Centenarian road) Centenarian road, poudre, declared in 2024
- GLYCINE CRISTALLISEE poudre, declared in 2025
- GLYCINE CRISTALLISÉE NUTRITION PRO, poudre, declared in 2026
- GLYCINE EN POUDRE poudre, declared in 2025
- GLYCINE FORTE SANTEREL, poudre, declared in 2023
- GLYCINE POUDRE SANTEREL, poudre, declared in 2022
- GLYCINE POWDER HSN, poudre, declared in 2024
- GLYCINE PREMIUM 600 g Kinoko Life, poudre, declared in 2022
- GLYCINE PURE Insport Nutrition, poudre, flavour sans arôme, declared in 2026
- GLYCINE VEGAN poudre, declared in 2022
- GLYCINE ÉQUILIBRE PREMIUM gélule, declared in 2024
- GO Orange Citrus poudre, flavour orange agrumes, declared in 2023
- GOLD COLLAGEN VEGAN flacon, declared in 2019
- GP 01 Future Concepts, poudre, declared in 2017
- GSH-Plus BIOTICS RESEARCH, gélule, declared in 2022
- Gelules Sommeil Dyno CBD DYNO CBD, gélule, declared in 2024
- Gelules sommeil cbdpaschere cbdpaschere, gélule, declared in 2024
- Germag Lorica, poudre, flavour naturel, declared in 2026
- Germag Lorica, poudre, flavour naturel, declared in 2026
- Germag Lorica, bâton / batônnet / stick, flavour abricot, declared in 2022
- Germag gélules Lorica, gélule, declared in 2026
- Ginkgo Biloba GoldenPharm®, comprimé, declared in 2025
- Glicins Forte 300 mg VITAMIR® Vitamir, comprimé, flavour cerise, declared in 2018
- Glow+ vegalia, gélule, declared in 2025
- Gluta Collagen MARA-S, poudre, declared in 2026
- Glutadial 510 Vitadial, gélule, declared in 2025
- Glutathion Physiosources, gélule, declared in 2026
- Glutathion HERBORISTERIE DE PARIS, gélule, declared in 2022
- Glutathion NUTRIMEA, gélule, declared in 2017
- Glutathion 100 Acides aminés+ gélule, declared in 2025
- Glutathion 180 gélule, declared in 2026
- Glutathion 90 Phyto 5, gélule, declared in 2026
- Glutathion Complexe 1600 Orfito bioactive, gélule, declared in 2019
- Glutathion intracel Pronature, gélule, declared in 2017
- GlyNAC SuperSmart, gélule, declared in 2026
- Glycin granule, declared in 2025
- Glycin 1 kg Vegavero, poudre, declared in 2022
- Glycin Pulver Glycine Powder / Poudre Vitamintrend, poudre, declared in 2023
- Glycin Pulver bloom naturals poudre, declared in 2026
- Glycinate de magnésium, 400mg, 120 capsules Solaray, capsule, declared in 2021
- Glycine Gloryfeel, poudre, declared in 2026
- Glycine Zenement, poudre, declared in 2026
- Glycine FertilTech, poudre, flavour neutre, declared in 2026
- Glycine Natural Elements, poudre, declared in 2026
- Glycine Nutri&Co, poudre, declared in 2024
- Glycine DYNVEO, poudre, declared in 2018
- Glycine gélule, declared in 2023
- Glycine Nutrixeal, poudre, flavour néant, declared in 2017
- Glycine MAXIS Club, poudre, flavour sans arôme, declared in 2025
- Glycine Headlyn, poudre, declared in 2024
- Glycine PROZIS, poudre, flavour neutre, declared in 2024
- Glycine Broadwhey, poudre, flavour nature, declared in 2023
- Glycine NutriZoé, gélule, flavour neutre, declared in 2023
- Glycine poudre, declared in 2023
- Glycine Thorne, gélule, declared in 2023
- Glycine Nutrizoé, poudre, flavour neutre, declared in 2023
- Glycine gélule, declared in 2023
- Glycine Reborn Nutrition, poudre, flavour neutre, declared in 2023
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